79 lines
2.4 KiB
Bash
Executable file
79 lines
2.4 KiB
Bash
Executable file
#!/bin/bash
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#set -x
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# main configuration
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script_dir="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
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config_file="$script_dir/main.cfg"
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# remote and local directories
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db_dir="$script_dir/db"
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backupdirsingle=db
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# source a specified section from a specified config
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function source_section {
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config_name="$1"
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section_name="$2"
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section_start="^\[$section_name\]$"
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section_end="^\[/$section_name\]$"
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line_start=$(grep -n "$section_start" "$config_name" | cut -d: -f1)
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line_end=$(expr $(grep -n "$section_end" "$config_name" | cut -d: -f1) - 1)
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line_diff=$(expr $line_end - $line_start)
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tmp_file=$(mktemp)
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head -n $line_end "$config_name" | tail -n $line_diff > "$tmp_file"
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source "$tmp_file"
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rm -f "$tmp_file"
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}
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# copy file with rsync to server
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function rsync_server {
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filefrom="$1"
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dirto="$2"
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#nice -n 19 rsync -rle "ssh -i $keyfile" "$filefrom" "$userserver:$dirto"
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# limit the bandwith
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nice -n 19 rsync --bwlimit=100000 -rle "ssh -i $keyfile" "$filefrom" "$userserver:$dirto"
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ret=$?
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if [ $ret -ne 0 ]
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then
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echo "problem in rsync: $filefrom"
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fi
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}
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# general section from main config
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source_section "$config_file" "general"
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# change folder for temporary storage
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cd "$db_dir"
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# get all databases
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databases=$(nice -n 19 mysql -u root -N -e "show databases;" | grep -v "^information_schema$" | grep -v "^mysql$" | grep -v "^performance_schema$")
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# handle each database
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for database in $databases
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do
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# dump and gzip database
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nice -n 19 mysqldump -u root "$database" > "$database.sql"
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nice -n 19 gzip "$database.sql"
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# mount for renaming
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sshfs $userserver:$backupdir $backupdir_local -o IdentityFile=$keyfile -o IdentitiesOnly=yes
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# rotate old backups
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for count in `seq 7 -1 2`
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do
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count_last=$(expr $count - 1)
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rm -f "$backupdir_local/$backupdirsingle/$database.sql.gz.$count"
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mv -f "$backupdir_local/$backupdirsingle/$database.sql.gz.$count_last" "$backupdir_local/$backupdirsingle/$database.sql.gz.$count" > /dev/null 2>&1
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done
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rm -f "$backupdir_local/$backupdirsingle/$database.sql.gz.1"
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mv -f "$backupdir_local/$backupdirsingle/$database.sql.gz" "$backupdir_local/$backupdirsingle/$database.sql.gz.1" > /dev/null 2>&1
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# unmount
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umount $backupdir_local
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rsync_server "$database.sql.gz" "$backupdir/$backupdirsingle/"
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# delete temporary file
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rm -f "$database.sql.gz"
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done # for database in $databases
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